Most Important Questions and Answers on Biology

Questions
96 The prokaryotic genetic system contains
A DNA and histones
B Either DNA or histones
C DNA but histones
D Neither DNA nor histones

Answer: Option [C]
97 'One gene one enzyme theory' was given by
A Beadle and Tautum
B Watson and Crick
C Beadle and Morgany
D Morgan and Muller

Answer: Option [A]
98 In an organism that has 44 chromosomes i.e. 22 homologous pairs; at the end of first meiotic division the daughter cell will have
A 44 chromosomes
B 11 chromosomes
C 22 chromosomes
D All the above

Answer: Option [C]
99 The somatic chromosome complement in all human being is
A 21 pairs of autosomes and one pair of heterosomes
B 23 pairs of autosomes and one pair of heterosomes
C 22 pairs of autosomes and one pair of heterosomes
D 22 pairs of autosomes and one pair of XY chromosomes

Answer: Option [C]
100 Depending upon size and centromere position the 46 chromosomes hhave been divided into a number of groups
A 6
B 5
C 7
D 10

Answer: Option [C]

NCERT Class 12 Biology Solved Multiple Choice Questions

Read More Biology Questions

Chapters

UPSC Biology Questions & Answers

current affairs 2021 pdf plan

Current Affairs MCQs

Current Affairs Quiz April 2021
Current Affairs Quiz March 2021
Current Affairs Quiz February 2021
Current Affairs Quiz January 2021
Current Affairs Quiz December 2020
Current Affairs Quiz November 2020
Current Affairs Quiz October 2020
Current Affairs Quiz September 2020
Current Affairs Quiz August 2020

State-wise Current Affairs

Andhra Pradesh Current Affairs
Arunachal Pradesh Current Affairs
Assam Current Affairs
Bihar Current Affairs
Chhattisgarh Current Affairs
Delhi Current Affairs
Goa Current Affairs
Gujarat Current Affairs
Haryana Current Affairs
Himachal Pradesh Current Affairs
Jammu & Kashmir Current Affairs
Jharkhand Current Affairs
Karnataka Current Affairs
Kerala Current Affairs
Madhya Pradesh Current Affairs
Maharashtra Current Affairs
Manipur Current Affairs
Meghalaya Current Affairs
Mizoram Current Affairs
Nagaland Current Affairs
Odisha Current Affairs
Puducherry Current Affairs
Punjab Current Affairs
Rajasthan Current Affairs
Sikkim Current Affairs
Tamil Nadu Current Affairs
Telangana Current Affairs
Tripura Current Affairs
Uttarakhand Current Affairs
Uttar Pradesh Current Affairs
West Bengal Current Affairs

General Knowledge

Geography Quiz
Political Science GK MCQs
Indian Economy Quiz
Indian History MCQs
Law General Knowledge
Physics Quiz
GST Multiple Choice Questions
Environmental Science GK

Month-wise Current Affairs 2021

April 2021
March 2021
February 2021
January 2021
December 2020
November 2020
October 2020
September 2020

Category-wise Current Affairs

Agriculture Current Affairs
Art & Culture Current Affairs
Awards & Prizes Current Affairs
Bank Current Affairs
Bill & Acts Current Affairs
Committees and Commissions Current Affairs
Memorandum of Understanding Current Affairs
Days & Events Current Affairs
Economic Survey 2020-21 Currrent Affairs
Environment Current Affairs
Festivals Current Affairs
Finance Current Affairs
Health Current Affairs
History Current Affairs
Indian Polity Current Affairs
International Relationship Current Affairs
NITI Aayog Current Affairs
Science & Technology Current Affairs
Sports Current Affairs
Union Budget 2021 Current Affairs

Jobs by Qualification

8th Pass Jobs
10th Pass Jobs
12th Pass Jobs
BCA Pass Jobs
B.Com Pass Jobs
B.Ed Pass Jobs
B.Sc Pass Jobs
B.tech Pass Jobs
LLB Pass Jobs
M.Com Pass Jobs
M.Sc Pass Jobs
M.Tech Jobs
MCA Pass Jobs
MA Pass Jobs
MBBS Pass Jobs
MBA Pass Jobs

Free Mock Test

Current Affairs Mock Test
IBPS Exam Mock Test
Indian History Mock Test
Political Science Mock Test
RBI Mock Test
RBI Assistant Mock Test
RBI Grade B General Awareness Mock Test
RRB NTPC General Awareness Mock Test
SBI Mock Test
SBI PO Mock Test
SSC Mock Test
SSC General Awareness Mock Test